Sigma Designs announced that Mitsumi is now a licensed second source for Z-Wave(R) 500 series wireless RF technology, a Sigma Designs technology. As a second source, Mitsumi will independently produce and deliver the latest generation of Z-Wave 500 series modules as well as a Mitsumi original design module that will expand the functionality for Z-Wave in more commercial markets making it easier for large multi-international companies and government operations that require a second source to adopt Z-Wave. As the leading standard for home area networks, Sigma Designs' Z-Wave brings affordable, reliable, and easy-to-use wireless control to every aspect of daily life, including home monitoring and security, home control, entertainment control, healthcare, and energy management.

Z-Wave (ITU standard G.9959) is a proven and interoperable wireless mesh networking technology that allows a wide array of devices in and around the home to communicate including lighting, appliances, HVAC, and security systems.